Question

The pages of a book are numbered 1 to 200 and each paper is 0.1 mm thick. If each cover is 0.2 mm thick, what is the thickness of the book?

Answer 1

Answer:

20.4mm

Step-by-step explanation:

0.1 into 200 === 20mm and 0.2 + 0.2 == 0.4 and add 20mm and 0.4mm

Answer 2

Answer:

Step-by-step explanation:

The question is to find the thickness of the book and not the total thickness

Thickness of the book =number of pageleafs*thickness of a page leaf

Number of pages=200, thickness of a page leaf 0.10mm

Number of page leaf=200/2=100

Thickness of the book =100*0.10=10mm

Total thickness of the book =thickness of book+thickness of two covers=10+(2*0.20)

=10+0.40=10.40mm

• Answer: thickness of book=10mm